A storage server rack system includes a rack and multiple storage servers assembled inside the rack. A master statistics file is maintained in a multitenant database system. The spray disk is arranged above the bearing element. A manufacturing method of the flexible display apparatus is also disclosed. The first portions of the locating units function as guides for blocking movement along a first axis of the sliding track. If the AV data recorded on the optical disc cannot be reproduced in a real-time manner, a compile simulation unit and a compile execution unit respectively select extents from the AV data recorded on the optical disc and relocate the extents to a relocation area.